Abstract
Heme oxygenase 1 (HO-1) is induced by oxidative or nitrosative stress, cytokines and other mediators produced during inflammatory processes, likely as part of a defence system in cells exposed to stress to provide a negative feedback for cell activation and the production of mediators, which could modulate the inflammatory response. HO-1 activity results in the inhibition of oxidative damage and apoptosis, with significant reductions in inflammatory events including edema, leukocyte adhesion and migration, and production of inflammatory cytokines. HO-1 is induced by nitric oxide (NO) in different biological systems and can control the increased production of this mediator observed in many inflammatory situations. Regulatory interactions between HO-1 and cyclooxygenase (COX) pathways have also been reported. Modulation of signal transduction pathways by HO-1 or products derived from its activity, such as carbon monoxide (CO), may mediate the anti-inflammatory effects of this protein. Regulation of HO-1 activity may be a therapeutical strategy for a number of inflammatory conditions.
Keywords: heme oxygenase, carbon monoxide, nitric oxide, inflammation, macrophage, cytokine
Current Pharmaceutical Design
Title: Anti-Inflammatory Actions of the Heme Oxygenase-1 Pathway
Volume: 9 Issue: 30
Author(s): M. J. Alcaraz, P. Fernandez and M. I. Guillen
Affiliation:
Keywords: heme oxygenase, carbon monoxide, nitric oxide, inflammation, macrophage, cytokine
Abstract: Heme oxygenase 1 (HO-1) is induced by oxidative or nitrosative stress, cytokines and other mediators produced during inflammatory processes, likely as part of a defence system in cells exposed to stress to provide a negative feedback for cell activation and the production of mediators, which could modulate the inflammatory response. HO-1 activity results in the inhibition of oxidative damage and apoptosis, with significant reductions in inflammatory events including edema, leukocyte adhesion and migration, and production of inflammatory cytokines. HO-1 is induced by nitric oxide (NO) in different biological systems and can control the increased production of this mediator observed in many inflammatory situations. Regulatory interactions between HO-1 and cyclooxygenase (COX) pathways have also been reported. Modulation of signal transduction pathways by HO-1 or products derived from its activity, such as carbon monoxide (CO), may mediate the anti-inflammatory effects of this protein. Regulation of HO-1 activity may be a therapeutical strategy for a number of inflammatory conditions.
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Cite this article as:
Alcaraz J. M., Fernandez P. and Guillen I. M., Anti-Inflammatory Actions of the Heme Oxygenase-1 Pathway, Current Pharmaceutical Design 2003; 9 (30) . https://dx.doi.org/10.2174/1381612033453749
DOI https://dx.doi.org/10.2174/1381612033453749 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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